Definition of metarule in US English:
 metarule
noun ˈmedəˌro͞olˈmedəˌro͞ol
A rule governing the content, form, or application of other rules.
 three particular metarules of international law provide especially weak support
 Example sentencesExamples
-  This property of metarules will ultimately reduce the high price of false alarms that organizations typically pay.
 -  Note that since metarules are rules, they are subject to change based on other metarules.
 -  The metarules in the methodologies package activate other packages, depending on the context.
 -  There are two overarching metarules which determine where the Road Tiles go.
 -  Panini's grammar uses a variety of formal techniques including recursion, transformations, and metarules.
 -  They must familiarize themselves with a dance form's ‘code’ - with its rules and metarules and the daily practices that constitute the kind of body language that it is.
 -  We prove the termination for a set of metarules used in our German grammar and show how metarules can be integrated into the parser.
 -  This page and the following three will develop what rules are applied by the story character specialist: this includes metarules, rules of comparison and inference rules.
 -  It may be a metarule at your office that the rules in the policies manual aren't followed.
 -  A society whose metarules imply that changes in legal rules will be accompanied by large changes in individual wealth is therefore likely to spend considerable resources fighting over such changes.